diff options
Diffstat (limited to 'synapse/handlers/register.py')
| -rw-r--r-- | synapse/handlers/register.py | 124 |
1 files changed, 94 insertions, 30 deletions
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py index bee052274f..a019d770d4 100644 --- a/synapse/handlers/register.py +++ b/synapse/handlers/register.py @@ -17,7 +17,9 @@ from twisted.internet import defer from synapse.types import UserID -from synapse.api.errors import SynapseError, RegistrationError +from synapse.api.errors import ( + SynapseError, RegistrationError, InvalidCaptchaError +) from ._base import BaseHandler import synapse.util.stringutils as stringutils from synapse.http.client import PlainHttpClient @@ -38,7 +40,7 @@ class RegistrationHandler(BaseHandler): self.distributor.declare("registered_user") @defer.inlineCallbacks - def register(self, localpart=None, password=None, threepidCreds=None): + def register(self, localpart=None, password=None): """Registers a new client on the server. Args: @@ -51,20 +53,6 @@ class RegistrationHandler(BaseHandler): Raises: RegistrationError if there was a problem registering. """ - - if threepidCreds: - for c in threepidCreds: - logger.info("validating theeepidcred sid %s on id server %s", c['sid'], c['idServer']) - try: - threepid = yield self._threepid_from_creds(c) - except: - logger.err() - raise RegistrationError(400, "Couldn't validate 3pid") - - if not threepid: - raise RegistrationError(400, "Couldn't validate 3pid") - logger.info("got threepid medium %s address %s", threepid['medium'], threepid['address']) - password_hash = None if password: password_hash = bcrypt.hashpw(password, bcrypt.gensalt()) @@ -106,15 +94,54 @@ class RegistrationHandler(BaseHandler): raise RegistrationError( 500, "Cannot generate user ID.") - # Now we have a matrix ID, bind it to the threepids we were given - if threepidCreds: - for c in threepidCreds: - # XXX: This should be a deferred list, shouldn't it? - yield self._bind_threepid(c, user_id) - - defer.returnValue((user_id, token)) + @defer.inlineCallbacks + def check_recaptcha(self, ip, private_key, challenge, response): + """Checks a recaptcha is correct.""" + + captcha_response = yield self._validate_captcha( + ip, + private_key, + challenge, + response + ) + if not captcha_response["valid"]: + logger.info("Invalid captcha entered from %s. Error: %s", + ip, captcha_response["error_url"]) + raise InvalidCaptchaError( + error_url=captcha_response["error_url"] + ) + else: + logger.info("Valid captcha entered from %s", ip) + + @defer.inlineCallbacks + def register_email(self, threepidCreds): + """Registers emails with an identity server.""" + + for c in threepidCreds: + logger.info("validating theeepidcred sid %s on id server %s", + c['sid'], c['idServer']) + try: + threepid = yield self._threepid_from_creds(c) + except: + logger.err() + raise RegistrationError(400, "Couldn't validate 3pid") + + if not threepid: + raise RegistrationError(400, "Couldn't validate 3pid") + logger.info("got threepid medium %s address %s", + threepid['medium'], threepid['address']) + + @defer.inlineCallbacks + def bind_emails(self, user_id, threepidCreds): + """Links emails with a user ID and informs an identity server.""" + + # Now we have a matrix ID, bind it to the threepids we were given + for c in threepidCreds: + # XXX: This should be a deferred list, shouldn't it? + yield self._bind_threepid(c, user_id) + def _generate_token(self, user_id): # urlsafe variant uses _ and - so use . as the separator and replace # all =s with .s so http clients don't quote =s when it is used as @@ -129,16 +156,17 @@ class RegistrationHandler(BaseHandler): def _threepid_from_creds(self, creds): httpCli = PlainHttpClient(self.hs) # XXX: make this configurable! - trustedIdServers = [ 'matrix.org:8090' ] + trustedIdServers = ['matrix.org:8090'] if not creds['idServer'] in trustedIdServers: - logger.warn('%s is not a trusted ID server: rejecting 3pid credentials', creds['idServer']) + logger.warn('%s is not a trusted ID server: rejecting 3pid ' + + 'credentials', creds['idServer']) defer.returnValue(None) data = yield httpCli.get_json( creds['idServer'], "/_matrix/identity/api/v1/3pid/getValidated3pid", - { 'sid': creds['sid'], 'clientSecret': creds['clientSecret'] } + {'sid': creds['sid'], 'clientSecret': creds['clientSecret']} ) - + if 'medium' in data: defer.returnValue(data) defer.returnValue(None) @@ -149,9 +177,45 @@ class RegistrationHandler(BaseHandler): data = yield httpCli.post_urlencoded_get_json( creds['idServer'], "/_matrix/identity/api/v1/3pid/bind", - { 'sid': creds['sid'], 'clientSecret': creds['clientSecret'], 'mxid':mxid } + {'sid': creds['sid'], 'clientSecret': creds['clientSecret'], + 'mxid': mxid} ) defer.returnValue(data) - - + + @defer.inlineCallbacks + def _validate_captcha(self, ip_addr, private_key, challenge, response): + """Validates the captcha provided. + + Returns: + dict: Containing 'valid'(bool) and 'error_url'(str) if invalid. + + """ + response = yield self._submit_captcha(ip_addr, private_key, challenge, + response) + # parse Google's response. Lovely format.. + lines = response.split('\n') + json = { + "valid": lines[0] == 'true', + "error_url": "http://www.google.com/recaptcha/api/challenge?" + + "error=%s" % lines[1] + } + defer.returnValue(json) + + @defer.inlineCallbacks + def _submit_captcha(self, ip_addr, private_key, challenge, response): + client = PlainHttpClient(self.hs) + data = yield client.post_urlencoded_get_raw( + "www.google.com:80", + "/recaptcha/api/verify", + # twisted dislikes google's response, no content length. + accept_partial=True, + args={ + 'privatekey': private_key, + 'remoteip': ip_addr, + 'challenge': challenge, + 'response': response + } + ) + defer.returnValue(data) + |